Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1995-07-26
1999-04-27
Lefkowitz, Edward
Communications: electrical
Condition responsive indicating system
Specific condition
340612, 340618, 340624, 116110, 73307, G08B 2100
Patent
active
058983767
ABSTRACT:
A modular overfill alarm assembly is constructed and arranged to be installed in-line with a vent pipe in a vented storage tank for liquids such as waste oil or gasoline. The alarm assembly includes a vent tube having an open lower end that is threaded to be mounted to a vent opening in a vented storage tank, and an open upper end that is threaded to have a vent pipe mounted thereto, so that the vent pipe may be communicated with the vent opening as it would if it were threaded directly into the opening. The assembly further includes a support bracket mounted to the vent pipe and vent tube for supporting a commercially available alarm for actuating the alarm.
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GEMS.RTM. Instruction Bulletin No. 72947, "Installation and Maintenance of Single Station Level Switches", published by IMO Industries, Inc., GEMS Sensors Division, Plainville, CT.
GEMS.RTM. Bulletin No. 133702, "Reed Switch Instruction Sheet", published by IMO Industries, Inc., GEMS Sensors Division, Plainville, CT.
GEMS.RTM. "Electro-Optic Liquid Level Switch and Controller Information Sheet", published by IMO Industries, Inc., GEMS Sensors Division, Plainville, CT.
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